Home / 26,288.42-39,419.88-12,245.15

Finding the Fourth Proportional to 26,288.42, 39,419.88 and 12,245.15

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Solution

The fourth proportional to 26,288.42, 39,419.88 and 12,245.15 is: 18,361.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.42 : 39,419.88 = 12,245.15 : x
  2. Step 2: Convert to fraction form
    26,288.42/39,419.88 = 12,245.15/x
  3. Step 3: Cross multiply
    26,288.42x = 39,419.88 × 12,245.15
  4. Step 4: Simplify right side
    26,288.42x = 482,702,302.56
  5. Step 5: Solve for x
    x = 482,702,302.56/26,288.42
  6. Step 6: Final answer
    x = 18,361.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.